BBC News's video: Manhunt under way in France after two prison officers killed in prisoner escape BBC News

At least two French prison officers have been killed in an ambush on a prison van near Rouen in Normandy, France. The prisoner was being taken from court to a prison and escaped after the attack. Three other officers were seriously injured after being shot with "heavy weapons", the French justice minister Eric Dupond-Moretti has said. Several hundred police officers and gendarmes are involved in the manhunt. French prosecutors have named the inmate as Mohamed Amra, who was previously convicted of aggravated robbery and charged with abduction leading to death. Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news